{"id":"CVE-2026-92230","state":"PUBLISHED","title":"Apache Karaf: Improper release of ClassLoader references via static ThreadLocal caching","description":"Apache Karaf's XmlUtils cached XML parser/transformer factories in static ThreadLocal fields on long-lived container threads. Because a ThreadLocal value outlives the OSGi bundle that created it, repeated bundle or feature install, update, or refresh operations can leave successive bundle ClassLoader's pinned in memory and unreachable for garbage collection, leading to unbounded Metaspace growth and eventual denial of service of the Karaf instance.","publishedAt":"2026-09-17T18:38:29.556Z","updatedAt":"2026-09-18T13:33:04.842Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apache","products":["Apache Software Foundation Apache Karaf"],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Karaf","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.4.11","versionType":"semver"}]}],"references":["https://lists.apache.org/thread/pxgqjvsmzgpvgly1qf1w300qxsp8bxdj","http://www.openwall.com/lists/oss-security/2026/09/17/3"],"weaknesses":["CWE-401","CWE-772"],"ingestedAt":"2026-10-29T20:13:34.582Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/92xxx/CVE-2026-92230.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-92230","state":"PUBLISHED","datePublished":"2026-09-17T18:38:29.556Z","dateUpdated":"2026-09-18T13:33:04.842Z","assignerShortName":"apache","assignerOrgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateReserved":"2026-09-15T19:05:23.880Z"},"containers":{"cna":{"title":"Apache Karaf: Improper release of ClassLoader references via static ThreadLocal caching","descriptions":[{"lang":"en","value":"Apache Karaf's XmlUtils cached XML parser/transformer factories in static ThreadLocal fields on long-lived container threads. Because a ThreadLocal value outlives the OSGi bundle that created it, repeated bundle or feature install, update, or refresh operations can leave successive bundle ClassLoader's pinned in memory and unreachable for garbage collection, leading to unbounded Metaspace growth and eventual denial of service of the Karaf instance."}],"affected":[{"vendor":"Apache Software Foundation","product":"Apache Karaf","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"4.4.11","versionType":"semver"}]}],"references":[{"url":"https://lists.apache.org/thread/pxgqjvsmzgpvgly1qf1w300qxsp8bxdj","tags":["vendor-advisory"]}],"metrics":[{"other":{"type":"Textual description of severity","content":{"text":"moderate"}},"scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-401","description":"CWE-401 Missing release of memory after effective lifetime","lang":"en","type":"CWE"}]},{"descriptions":[{"cweId":"CWE-772","description":"CWE-772 Missing release of resource after effective lifetime","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"apache","orgId":"f0158376-9dc2-43b6-827c-5f631a4d8d09","dateUpdated":"2026-09-17T18:38:29.556Z"},"source":{"defect":["https://github.com/apache/karaf/issues/2278"],"advisory":"https://karaf.apache.org/security/cve-2026-92230.txt","discovery":"EXTERNAL"},"credits":[{"lang":"en","value":"Baoquan Cui & Yucheng Qiu","type":"reporter"}],"x_generator":{"engine":"Vulnogram 1.0.3"}},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/17/3"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2026-09-17T19:11:48.291Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-09-18T13:32:59.478507Z","id":"CVE-2026-92230","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-18T13:33:04.842Z"}}]}}}